#2559AC

#2559AC

Color Values

HEX

#2559AC

RGB

37, 89, 172

HSL

216.9, 64.6%, 41.0%

HSV

216.9, 78.5%, 67.5%

CMYK

78.5%, 48.3%, 0.0%, 32.5%

OKLCH

0.4762 0.1442 259.5

Properties

Cool Dark Nearest: NCS S 2060-B Deep Blue

Color Harmonies

Complementary

#2559AC

#AC7825

Analogous

#259DAC

#3525AC

#2559AC

Triadic

#2559AC

#AC2559

#59AC25

Split Complementary

#2559AC

#AC3525

#9DAC25

Tetradic

#2559AC

#AC259D

#AC7825

#25AC35

Color Blindness Simulation

Original

#2559AC

Protanopia

#3C3C98

Deuteranopia

#383593

Tritanopia

#288885

Achromatopsia

#545454

CSS Usage

background-color: #2559AC;
color: #2559AC;
border-color: #2559AC;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FC
100
#E3EBF7
200
#C4D6F2
300
#9AB9E9
400
#6493DE
500
#2D6DD2
600
#2457A8
700
#1D4586
800
#173669
900
#142A4D
950
#0D1B30

Contrast Checker

Text on white

6.77:1

AA Pass AAA Fail

Text on black

3.1:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026